Lapis dentalis
[医] 牙垢, 牙石
🧩 词语组成解析
[医] 石
🗣️ 情景例句
We're interested in importing a complete bottling machine for exhibit and sale.
我们有兴趣进口一整部装瓶机，以备展示和销售。
The children began to get across at each other.
孩子们开始争吵了。
To know everything is to know nothing.
样样通，样样松。